Home / 3,434.14-4,738.83-1,942.21

Finding the Fourth Proportional to 3,434.14, 4,738.83 and 1,942.21

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Solution

The fourth proportional to 3,434.14, 4,738.83 and 1,942.21 is: 2,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.14 : 4,738.83 = 1,942.21 : x
  2. Step 2: Convert to fraction form
    3,434.14/4,738.83 = 1,942.21/x
  3. Step 3: Cross multiply
    3,434.14x = 4,738.83 × 1,942.21
  4. Step 4: Simplify right side
    3,434.14x = 9,203,803.01
  5. Step 5: Solve for x
    x = 9,203,803.01/3,434.14
  6. Step 6: Final answer
    x = 2,680.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.